lat   lon            yy   mm  dd hh mi sec dt(min) TSLength
  74.50 277.60         2004  03  01 14 00 00   60     24     
  74.70 268.90         2004  05  03 16 20 00   20     20
  74.70 271.10         2004  07  05 18 40 00   60     24
  75.00 262.00         2004  07  07 20 00 00   60     24
  74.20 260.80         2004  08  08 21 30 00   60     24
  72.14 279.20         2004  10  10 23 30 00   60     24
  72.60 279.50         2004  11  11 01 10 00   10     30